public class MyProgram
{
   public static double f ()
   {
      static double c = 0;  // Illegal

      c++;

      return(c);
   }

   public static void main(String[] args)      
   {
      double r;

      r = f();
      System.out.println(r);

      r = f();
      System.out.println(r);

      r = f();
      System.out.println(r);
   }
}